How to say that the quality of community owners is high?

The owners of the community have a high level, and they unite their neighbors to pay attention to each other. Collective concept is a big deal, a good neighbor and a good helper. The quality of the owners in the community is really good and they are all very friendly. When a family is in trouble, every family will lend a helping hand. The quality of the community owners is really good, and the garbage is not littered, it is all in the trash can.